.menu{
    width: 160px;
}
.menu-one{
    width: 160px;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    height: 35px;
    font-size: 12px;
    line-height: 35px;
    cursor:pointer;
}
.menu-one i{
    font-size: 12px;
    margin: 10px;
}
.menu-two-div{
    width: 124px;
    font-size: 12px;
    line-height: 34px;
    padding-left: 34px;
    text-align: left;
    border-right: 2px #ffffff solid;
}
.change{
    color: #409EFF;
    font-weight: bold;
}
.change-two{
    width: 124px;
    font-size: 12px;
    line-height: 34px;
    padding-left: 34px;
    text-align: left;
    color: #409EFF;
    font-weight: bold;
    background: #ecf5ff;
    border-right: 2px #409EFF solid;
}
a:link{
    text-decoration: none;
    color: #101010;
}
a:visited{
    text-decoration: none;
    color: #101010;
}
a:hover div{
    text-decoration: none;
    color: #409EFF;
    background: #ecf5ff;
    border-right: 2px #ecf5ff solid;
}
a:active{
    text-decoration: none;
    color: #101010;
}

/* 创建动画 */
.aa{
  transition: all 0.5s;
  transform:rotate(0deg);
    -moz-transform-origin:50% 44% ;
    -webkit-transform-origin:50% 44% ;
    -o-transform-origin:50% 44%;
}
.go{
    transform:rotate(180deg);
    transition: all 0.5s;
    -moz-transform-origin: 50% 44%;
    -webkit-transform-origin: 50% 44%;
    -o-transform-origin: 50% 44%;
}
.menu-two div:hover{
    cursor:pointer;
    color: #409EFF;
    background: #ecf5ff;
    border-right: 2px #ecf5ff solid;
}
div.menu-one:hover{
    color: #409EFF;
}

